#!/bin/sh
# PCP QA Test No. 1456
# pmlogrewrite
# - redact hostname from context labels
# - redact hostname from archive label records
#
# non-valgrind variant, see qa/1460 for the valgrind variant
#
# Copyright (c) 2023 Ken McDonell.  All Rights Reserved.
#

if [ $# -eq 0 ]
then
    seq=`basename $0`
    echo "QA output created by $seq"
else
    # use $seq from caller, unless not set
    [ -n "$seq" ] || seq=`basename $0`
    echo "QA output created by `basename $0` $*"
fi

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check


do_valgrind=false
if [ "$1" = "--valgrind" ]
then
    _check_valgrind
    do_valgrind=true
elif which valgrind >/dev/null 2>&1
then
    [ $PCPQA_VALGRIND = both ] || \
	_notrun "valgrind variant qa/1460 will be run"
fi

_cleanup()
{
    cd $here
    $sudo rm -rf $tmp $tmp.*
}

status=0	# success is the default!
trap "_cleanup; exit \$status" 0 1 2 3 15

_filter()
{
    sed \
	-e "s@$tmp@TMP@g" \
    # end
}

# real QA test starts here

echo "=== before ==="
pmdumplog -le archives/pcp-dstat >$tmp.before
grep -E 'hostname| from host ' <$tmp.before

# label values are (a) longer than original "fedora", (b) shorter than
# the original and (c) same length as the original
#
for new in '[redacted]' 'foo' 'foobar'
do
    cat <<End-of-File >$tmp.rewrite
global { hostname -> "[redacted]" }
label context "hostname" { value -> "$new" }
End-of-File

    rm -f $tmp.0 $tmp.index $tmp.meta
    echo
    if $do_valgrind
    then
	_run_valgrind pmlogrewrite -v -c $tmp.rewrite archives/pcp-dstat $tmp
    else
	pmlogrewrite -v -c $tmp.rewrite archives/pcp-dstat $tmp 2>&1
    fi \
    | _filter

    echo
    echo "=== after -> $new ==="
    pmdumplog -le $tmp >$tmp.after
    grep -E 'hostname| from host ' <$tmp.after

    echo
    echo "=== diffs for all labels =="
    diff $tmp.before $tmp.after

done

# success, all done
exit
